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is a triple nonlinear process. The features of large diameter and low elongation make the bending of LDTW Al-alloy tube much sensitive to the changes of forming parameters, viz, tooling parameters......
of diffusion has little changed with the increase of the rheological index (n) at the low rheological index, and increases nonlinearly with the increase of the rheological index at the high rheological......
al. Numerical simulation of low specific speed american petroleum institute pumps in part-load operation and comparison with test rig results[J]. ASME Journal of Fluids Engineering, 2012, 134(2......
of the various spectra are then summed. Sometimes, it is necessary to increase the size of the representation of the low frequencies (long wavelengths) that provide less information. If high frequencies......
), 2007, 22(2): 52-56. XU Wangguo, ZHANG Jiasheng, HE Jianqing, et al. Study on dynamic properties of cement improved soil with low cement content[J]. Journal of Hunan University of Science &......
Linrong, et al. Research on reinforce effect of high-speed railway low and medium compressible soil pile-raft (net) foundation[J]. Journal of Central South University (Science and Technology), 2014, 45(5......
. 2.3 复合材料的晶界和取向差 图5所示为CNTs/Al复合材料的晶界及对应的取向差分布.定义取向差为2°~10°的为小角度晶界(Low angle grain boundaries,LAGBs),在晶界图中用红色细线条表示;取向差大于15°为大角度晶界(High angle grain boundaries, HAGBs),在晶界图中用黑色粗线条表示.图5(a)和(b)所示分别为铝基......
underground metallic mines with weakened rock mass and steep dips, since there are no good support methods, the mines have to be exploited by traditional mining methods, whereas, they may bring with low......
] 韩斌, 吴爱祥, 王贻明, 等. 低强度粗骨料超细全尾砂自流胶结充填配合比优化及应用[J]. 中南大学学报(自然科学版), 2012, 43(6): 2357-2362.HAN Bin, WU Aixiang, WANG Yiming, et al. Optimization and application of cemented hydraulic fill (CHF) with low......
that the solidus concentration has one low concentration along the dendritic arm, arrives to the interface, and the concentration that increases to one maximum value for the solute is released, corresponding......